Food Grade pyrogallic acid
Production scale: 800 tons/year
Chemical name: 1,2,3-trihydroxybenzene.
Synonyms: pyrophosphate, pyrogallol
Molecular formula and molecular weight: C6H3(OH)3； 126.11
Property: white crystalline powder with gloss. It could be dissolved in 2 shares of water, 1 share of ethyl alcohol or 2 shares of diethyl ether.
Quality index: Comply with the requirements both U.S.A." Reagent Chemical and Standard" by Joseph Rosin Fifth-edition and JIS K8780 standard.
Uses: Widely used in fine chemical industry, for the synthesis of new photosensitive materials, food preservation, disease of heart head blood-vessel treatment drugs, antineoplastic drugs, alzheimer's drugs, medicines for mental disorders, textile printing and dyeing, light industry, daily chemical, color printing plate-making, microelectronics industry, rare metals, gas analysis, photographic development etc, to absorb carbon monoxide, and so on.
Storage: Store in an airtight container.
Package: Woven bags for external use, plastic bags for internal use, 25 kg net weight per bag.
Industrial grade CP grade AR grade
Appearance White powder White powder White powder
Content% ≥99.20 ≥99.50 ≥99.80
Water solubility Clear and transparent Clear and transparent Clear and transparent
Melting point 131-135 132-135 132-135
Burning residue% ≤0.025 ≤0.02 ≤0.02
Chloride% ≤0.002 ≤0.001 ≤0.001
Sulfate% ≤0.005 ≤0.005 ≤0.005
Heavy metal ppm ≤5.0 ≤5.0 ≤5.0
Add to Compare